TOKYO (Reuters) - Bitcoin tumbled more than 12 percent in volatile Asian trading on Friday, dropping below the $15,000 level after touching a record high above $16,000 earlier in the session.
Bitcoin was down 12.6 percent on the Bitstamp exchange at $14,500.76 as of 0530 GMT, after rising to a record $16,666.66.
It was still up more than 30 percent for the week, as investors debated about whether the cryptocurrency was in a bubble that was about to burst.
(Reporting by Tokyo markets team; Editing by Kim Coghill)
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